Unit Converter — NumeriusNegidius

Unit Converter is a toolbar popup that aims to be precise and easy to use. Currently supporting 121 units of measurement in the the following categories: Area, Length, Mass/Weight, Pressure, Force, Speed, Temperature, Time and Volume.

Supported units of measurement
Area: Acre, Are, Hectare, Square centimetre, Square foot, Square inch, Square kilometre, Square metre, Square mile, Square millimetre, Square yard, Survey township

Energy: Foot-pound, Gram calorie, Joule, Kilocalorie, Kilojoule, Kilowatt hour, Watt hour

Force: Dyne, Kilogram-force, Kilonewton, Kip, Newton, Pound-force, Poundal

Length: Astronomical unit, Cable length, Centimetre, Chain, Decimetre, Fathom, Foot, Furlong, Inch, Kilometre, Light-year, Metre, Micrometre, Mile, Millimetre, Nanometre, Nautical league, Nautical mile, Parsec, Thousandth of an inch, Yard

Mass/Weight: Carat, Grain, Gram, Hectogram, Kilogram, Milligram, Ounce, Pound, Stone, Ton (US), Ton (imperial), Tonne (metric)

Pressure: Atmosphere, Bar, Centimetre of water, Inch of mercury, Inch of water, Kilopascal, Millimetre of mercury, Pascal, Pound per square inch, Torr

Speed: Foot per second, Inch per second, Kilometre per hour, Knot, Metre per second, Mile per hour, Speed of light

Temperature: Celcius, Fahrenheit, Kelvin, Rankine, Réaumur, Rømer

Time: Century, Day, Decade, Hour, Millennium, Millisecond, Minute, Month, Second, Week, Year

Volume: Acre-foot, Centilitre, Cubic foot, Cubic inch, Cubic metre, Cubic yard, Cup (US), Decilitre, Dry pint (US), Dry quart (US), Fluid ounce (Imperial), Fluid ounce (US), Gallon (Imperial), Gallon (US), Liquid pint (US), Liquid quart (US), Litre, Millilitre, Oil barrel (US), Pint (Imperial), Pottle (US), Quart (Imperial), Tablespoon (Imperial), Tablespoon (Metric), Tablespoon (US), Teaspoon (Imperial), Teaspoon (Metric), Teaspoon (US)